Re: [SBB] need help identifying hawk at Bayfront Park, Menlo Park

["mary keitelman" <[[email protected]]>]

So, those aberrant feathers are the white ones in the petagium--
http://www.pbase.com/garrettlau/image/67147522

which, if they were colored, would have been perhaps the key fieldmark for a 
Red Tail

Thank you for posting the images,

Mary Keitelman


>From: "Garrett Lau" <[[email protected]]>
>To: "Jane Moss" <[[email protected]]>
>CC: [[email protected]]
>Subject: Re: [SBB] need help identifying hawk at Bayfront Park, Menlo Park
>Date: Wed, 6 Dec 2006 14:17:45 -0800
>
>I think I saw the same hawk at the Byxbee Park in September. It chased a
>jackrabbit, and then perched on a low branch, where it let me take close-up
>photos. I have six photos starting with this one:
>http://www.pbase.com/garrettlau/image/67147522
>
>I was puzzled by the white patches, so I asked about it on birdforum.net.
>The experts said that it was a western (caluris) Red-tailed Hawk with a few
>aberrant feathers that lacked pigmentation.
>
>--Garrett
>
>On 12/6/06, Jane Moss <[[email protected]]> wrote:
>>
>>Can anyone help with an id of an immature raptor at Bayfront Park in Menlo
>>Park, seen near the intersection of Grecko Island and Salt Pond R4 today 
>>at
>>11:00 a.m. Dark bird, streaked breast, striped tail, about 22 in tall,
>>white, patchy areas on head and throat (osprey like). Observable today at
>>very close range, appears tame almost! Seen chasing jackrabbit and 
>>assuming
>>low perches on vegetation and man-made structures in area.
>>--
>>Jane Moss
>>[[email protected]]
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>>


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